138 lines
3.4 KiB
C
138 lines
3.4 KiB
C
/*
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* CDE - Common Desktop Environment
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*
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* Copyright (c) 1993-2012, The Open Group. All rights reserved.
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*
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* These libraries and programs are free software; you can
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* redistribute them and/or modify them under the terms of the GNU
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* Lesser General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* These libraries and programs are distributed in the hope that
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* they will be useful, but WITHOUT ANY WARRANTY; without even the
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* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with these libraries and programs; if not, write
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* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
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* Floor, Boston, MA 02110-1301 USA
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*/
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//%% (c) Copyright 1993, 1994 Hewlett-Packard Company
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//%% (c) Copyright 1993, 1994 International Business Machines Corp.
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//%% (c) Copyright 1993, 1994 Sun Microsystems, Inc.
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//%% (c) Copyright 1993, 1994 Novell, Inc.
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//%% $XConsortium: mp_s_file.C /main/3 1995/10/23 11:54:43 rswiston $
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/*
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*
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* mp_s_file.cc
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*
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* Copyright (c) 1990 by Sun Microsystems, Inc.
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*/
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#include <stdio.h>
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#include "mp_s_mp.h"
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#include "mp/mp_pattern.h"
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#include "mp_s_file.h"
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//
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// Use parent class (_Tt_file) for construction and destruction.
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//
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_Tt_s_file::_Tt_s_file()
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{
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}
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_Tt_s_file::_Tt_s_file(
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const _Tt_string &path
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)
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{
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networkPath = path;
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}
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_Tt_s_file::~_Tt_s_file()
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{
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}
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Tt_status
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_Tt_s_file::s_join(
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_Tt_s_procid_ptr &p
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)
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{
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_Tt_pattern_list_cursor pats(p->patterns());
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int scopes;
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int fpatterns_found = 0;
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while (pats.next()) {
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scopes = pats->scopes();
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if (scopes&(1<<TT_FILE)) {
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fpatterns_found = 1;
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}
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if (scopes&(1<<TT_FILE) ||
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scopes&(1<<TT_FILE_IN_SESSION)) {
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pats->add_file(networkPath);
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_tt_s_mp->mod_file_scope(networkPath, 1);
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}
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}
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if (fpatterns_found) {
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p->add_joined_file(networkPath);
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}
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// note: TT_WRN_NOTFOUND is returned if there are no
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// TT_FILE patterns that were updated. This is just an
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// indication to the client side that it doesn't need
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// to update the database. If patterns were found and
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// this is the first procid in the session to join
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// this file then TT_WRN_STALE_OBJID is returned
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// telling the client side to update the database.
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return((fpatterns_found) ?
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((procs_joined() == 1) ? TT_WRN_STALE_OBJID : TT_OK)
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: TT_WRN_NOTFOUND);
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}
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Tt_status
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_Tt_s_file::s_quit(
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_Tt_s_procid_ptr &p
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)
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{
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_Tt_pattern_list_cursor pats(p->patterns());
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int scopes;
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int fpatterns_found = 0;
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while (pats.next()) {
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scopes = pats->scopes();
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if (scopes&(1<<TT_FILE)) {
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fpatterns_found = 1;
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}
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if (scopes&(1<<TT_FILE) ||
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scopes&(1<<TT_FILE_IN_SESSION)) {
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pats->del_file(networkPath);
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_tt_s_mp->mod_file_scope(networkPath, 0);
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}
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}
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if (fpatterns_found) {
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p->del_joined_file(networkPath);
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} else {
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return TT_WRN_NOTFOUND;
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}
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if (_tt_s_mp->in_file_scope(networkPath)) {
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return TT_OK;
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} else {
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// Tells _Tt_c_file::c_quit() to delete this session from file
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return TT_WRN_STALE_OBJID;
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}
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}
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int
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_Tt_s_file::procs_joined()
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{
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_Tt_s_procid_table_cursor procs(_tt_s_mp->active_procs);
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int nprocs = 0;
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while (procs.next()) {
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if (procs->joined_to_file(networkPath)) {
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nprocs++;
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}
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}
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return(nprocs);
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}
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